granicus.if.org Git - strace/blob - link.c

   1 #include "defs.h"
   2
   3 #include <fcntl.h>
   4
   5 #ifndef AT_SYMLINK_NOFOLLOW
   6 # define AT_SYMLINK_NOFOLLOW    0x100
   7 #endif
   8 #ifndef AT_REMOVEDIR
   9 # define AT_REMOVEDIR           0x200
  10 #endif
  11 #ifndef AT_SYMLINK_FOLLOW
  12 # define AT_SYMLINK_FOLLOW      0x400
  13 #endif
  14 #ifndef AT_NO_AUTOMOUNT
  15 # define AT_NO_AUTOMOUNT        0x800
  16 #endif
  17 #ifndef AT_EMPTY_PATH
  18 # define AT_EMPTY_PATH          0x1000
  19 #endif
  20
  21 #include "xlat/at_flags.h"
  22
  23 SYS_FUNC(link)
  24 {
  25         if (entering(tcp)) {
  26                 printpath(tcp, tcp->u_arg[0]);
  27                 tprints(", ");
  28                 printpath(tcp, tcp->u_arg[1]);
  29         }
  30         return 0;
  31 }
  32
  33 SYS_FUNC(linkat)
  34 {
  35         if (entering(tcp)) {
  36                 print_dirfd(tcp, tcp->u_arg[0]);
  37                 printpath(tcp, tcp->u_arg[1]);
  38                 tprints(", ");
  39                 print_dirfd(tcp, tcp->u_arg[2]);
  40                 printpath(tcp, tcp->u_arg[3]);
  41                 tprints(", ");
  42                 printflags(at_flags, tcp->u_arg[4], "AT_???");
  43         }
  44         return 0;
  45 }
  46
  47 SYS_FUNC(unlinkat)
  48 {
  49         if (entering(tcp)) {
  50                 print_dirfd(tcp, tcp->u_arg[0]);
  51                 printpath(tcp, tcp->u_arg[1]);
  52                 tprints(", ");
  53                 printflags(at_flags, tcp->u_arg[2], "AT_???");
  54         }
  55         return 0;
  56 }
  57
  58 SYS_FUNC(symlinkat)
  59 {
  60         if (entering(tcp)) {
  61                 printpath(tcp, tcp->u_arg[0]);
  62                 tprints(", ");
  63                 print_dirfd(tcp, tcp->u_arg[1]);
  64                 printpath(tcp, tcp->u_arg[2]);
  65         }
  66         return 0;
  67 }